CVE-2026-89567

A flaw was found in the Linux kernel's jbd2 shrinker. This component, which manages journal buffers, does not correctly account for busy checkpoint buffers. This oversight can cause the shrinker to hold a critical system lock for an extended period when processing many busy buffers. The prolonged...

CVE-2026-89566

A flaw was found in the Linux kernel's jbd2 component. When the kernel's journaling block device jbd2 processes busy checkpoint buffers, it can skip a crucial rescheduling check. This oversight can lead to prolonged holding of a critical lock, causing other central processing units CPUs to wait...

CVE-2026-89567 jbd2: bound shrinker scans by examined checkpoint buffers

In the Linux kernel, the following vulnerability has been resolved: jbd2: bound shrinker scans by examined checkpoint buffers The jbd2 shrinker currently accounts only checkpoint buffers that it successfully releases against nrtoscan. Busy buffers therefore do not consume the scan budget. If a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: BPF: Added schedule points in batch operations. SYZbot reported various soft lockups caused by BPF batch operations. INFO: Task kworker/1:1:27 was blocked for more than 140 seconds. INFO: Task hung during the rcubarrier...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Reworked the handling of long task execution when adding/ deleting entries. When adding or deleting a large number of elements in one step using ipset, it may take considerable time, and soft lockup errors can...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: avoid re-validation if possible Hamza Mahfooz reported CPU soft lockups in nftchainvalidate: watchdog: BUG: soft lockup – CPU1 stuck for 27 seconds! iptables-nft-re:37547 .. RIP:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: moving waitonsem out of the spinlock With iommu.strict=1, the existing completion wait mechanism can cause soft lockups in stressed environments. This occurs because waitonsem performs busy waits under a spinlock when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/bpf: Fixed the detection of BPF atomic instructions. The commit 91c960b0056672 “bpf: Rename BPFXADD and prepare to encode other atomic instructions in .imm” changed BPFXADD to BPFATOMIC and added a mechanism to...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021585)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021585 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/mad: Improve handling of timed out WRs of mad agent Current timeout handler of mad agent...

SUSE CVE-2026-43253

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

CVE-2026-43253

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

CVE-2026-43253 iommu/amd: move wait_on_sem() out of spinlock

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

CVE-2026-43253 iommu/amd: move wait_on_sem() out of spinlock

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

CVE-2026-43253

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

PT-2026-37593

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description When iommu.strict is set to 1, the completion wait path can cause soft lockups in stressed environments. This occurs because the wait on sem function busy-waits while holding a spinlock...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013802)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013802 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Add schedule points in batch ops syzbot reported various soft lockups caused by bpf batch...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013520)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013520 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: add a schedule point in ioaddbuffers Looping 65535 times doing kmalloc calls can trigger...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010692)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010692 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: add a schedule point in ioaddbuffers Looping 65535 times doing kmalloc calls can trigger...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010687)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010687 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Add schedule points in batch ops syzbot reported various soft lockups caused by bpf batch...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010971)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010971 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting...